SPARTA, GA, USA
N51857
Bell OH-13H/M74A
The pilot stated that during his preflight he had only untied the right side of the helicopter, when a ground crew member wanted his assistance. When he finished with him he entered the helicopter on the right side and forgot to check all the tie downs. He started the helicopter and attempted to takeoff with the left side still hooked to the trailer. When the left back spray came loose the tail popped up an the main rotor blades struck the ground. The pilot cut the throttle an laid the helicopter on the right side. The pilot did not report any mechanical difficulties with the helicopter.
On July 22, 1999, about 1945 eastern daylight time, a Bell OH-13H/M74A helicopter, N51857, registered to Roland Air Chemical Inc., was substantially damaged during liftoff, near Sparta, Georgia. The commercial-rated pilot reported no injuries. Visual meteorological conditions (VMC) prevailed in the vicinity, and no flight plan had been filed. The aerial application flight was being conducted in accordance with Title 14 CFR Part 137. The flight was originating at the time of the accident. The pilot stated that during his preflight he "...unhooked the right side of the helicopter...when my chemical man call[ed] and wanted my assistance. When I finished with him I went an got in on the right side of the helicopter, an forgot to check all the tie downs...cranked up and tried to take off with the left side still hooked [to] the helicopter...it was still [attached] to the trailer. When the left back spray came loose the tail pop[ed] up an the main rotor blades struck the ground. When that happened I cut the throttle an laid it on the right side." The pilot did not report any mechanical difficulties with the helicopter.
the pilot's inadequate preflight which resulting in his failure to remove all the tie downs, and the subsequent impact with the ground.
Source: NTSB Aviation Accident Database
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